Last Chance: Made for War (transformers fanfic)

Felix North as a street kid, her parents didn't care for her or anybody for that matter. Except for one boy, Sam Witwicky. They had been friends forever, all because one day, as children, he had defended her when no one else would.

"Aww, look at the tiny girl. Are you gonna cry?" A chubby red headed boy with freckles sneered, his friend snickering behind him. The small girl stood there defiantly, one hand on her new bruise that covered half her arm. She flinched as he started walking towards her, but he never got there. A boy with brown hair had punched him square in the nose, making it bleed. The red head wailed loudly before running away, his group following like dogs. The boy walk to the girl slowly, she stood there stunned that he had helped her. As soon as he was close enough she had him in a tight hug, the first one she had ever given. That's where their story began, an unlikely friend ship from two different worlds.